US 7,520,589 B2
Ink-jet recording apparatus and cleaning blade
Hisaki Sakurai, Aichi-ken (Japan)
Assigned to Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken (Japan)
Filed on May 23, 2006, as Appl. No. 11/438,318.
Claims priority of application No. 2005-149412 (JP), filed on May 23, 2005.
Prior Publication US 2006/0262159 A1, Nov. 23, 2006
Int. Cl. B41J 2/165 (2006.01)
U.S. Cl. 347—33 10 Claims
OG exemplary drawing
 
1. A cleaning blade for wiping ink adhering to an ink ejection surface of an ink-jet head in which nozzles are formed by a relative movement of the cleaning blade and the ink ejection surface with the cleaning blade held in contact with the ink ejection surface,
wherein the cleaning blade has a surface having: a first region which is located near to the ink ejection surface and which has a first degree of water repellency; and a second region which is contiguous to the first region and located away from the ink ejection surface and which has a second degree of water repellency that is lower than the first degree of water repellency, and
wherein a boundary line which constitutes a boundary between the first region and the second region has at least one oblique portion each of which is inclined with respect to a straight line that is orthogonal to the ink ejection surface.